Exalytics OVM Server Crashed and is Unresponsive: "vector 0x2 is not implemented" and "soft lockup" Errors Displayed on the Console (Doc ID 1994681.1)

Last updated on NOVEMBER 02, 2016

Applies to:

Exalytics In-Memory Machine X3-4 - Version All Versions and later
Information in this document applies to any platform.

Symptoms

Oracle Exalytics OVM Server version 2.0.1.3.0 (Patchset 5) with two OVM guest instances became unexpectedly non-responsive.  Users could not login to applications and it was not possible to login via putty or SSH at the OS level.
Messages displayed on console show:

xen: vector 0x2 is not implemented
Bug: soft lockup - CPU#3 stuck for 22s! [mcelog: 2128]
Modules linked in: xen_pciback tun xen_blkbak xen_netback xen_gntdev xen_evtchm
lock sunrpc mlx4_en(U) bridge stp 11c bonding be2iscsi isci_boot_sysfs _iscsi_....

Similar behavior and soft lockup errors may also occur on Exalytics OVM servers with lower level Exalytics Patchsets (PS2, PS3, etc.).

Cause

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